Weeks before U.S. states expect to receive their first shipments of Covid-19 vaccines, they’re getting conflicting messages from the federal government about exactly how many doses may arrive. Some governors have made splashy announcements about how much of Pfizer and BioNTech’s vaccines they expect to get if the U.S. Food and Drug Administration authorizes them this month. Other states can’t provide a solid answer. But all of them must submit orders and distribution plans Friday. Reporter Angelica Lavito reports that the shifting expectations are creating all sorts of problems.

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